210 HYMENOPTERA. 



68. ANTHIDIUM IMMACULATUM. 



Female. Length 3 lines. Black, the face, cheeks, thorax on 

 the sides and beneath densely clothed with griseous pubescence, 

 on the vertex and disk of the thorax it is pale fulvous ; the legs 

 have also a thin griseous-white pubescence ; the anterior and 

 intermediate tarsi and the posterior pair beneath covered with 

 bright fulvous pubescence, the claw-joints ferruginous. The 

 abdomen above has a thin erect scattered pale yellow pubescence, 

 becoming white towards the lateral margins ; beneath, it is white 

 at the sides and fulvous in the middle, the margins of all the 

 segments narrowly testaceous. 



Hab. The Cape of Good Hope. (In the Coll. of W. W. Saun- 

 ders, Esq.) 



69. ANTHIDIUM BICOLOR. 



Anthidium bicolor, St. Farg. Hym. ii. 399. 45. 

 Hab. The Gambia. 



70. ANTHIDIUM REVERSUM. 



Female. Length 3 lines. Black, the clypeus, inner orbits of 

 the eyes as high as the insertion of the antennae, the apex of the 

 scape in front, an uninterrupted line on the margin of the vertex 

 broadest behind the eyes, and the mandibles, yellow ; the latter 

 are ferruginous at their apex and armed with four or five stout 

 acute teeth; the flagellum fulvous beneath. Thorax, a broad 

 stripe on each side, the margin of the scutellum subinterrupted 

 in the middle, and the legs yellow ; the apical joints of the tarsi 

 and the tegulse ferruginous; the latter have a yellow spot in 

 front; the femora fusco-ferruginous towards their base, wings 

 subhyaline. Abdomen, the basal segment has on each side an 

 oblong triangular macula, the following segments have a broad 

 yellow band interrupted in the middle ; the apical segment has 

 two longitudinal yellow lines. 

 Hab. The Gambia. (Coll. F. Smith.) 



71. ANTHIDIUM TRUNCATUM. 



Female. Length 3 lines. Black, the clypeus, a spot on 

 each side and the mandibles exteriorly towards their base yellow, 

 their margins and apex black or fusco-ferruginous, armed with 

 four acute stout teeth ; the intervals between them denticulate. 

 The tibiae and tarsi yellow, the former fusco-ferruginous beneath ; 

 the wings smoky, darkest at their anterior margins ; a minute 

 yellow spot in front of the tegulae ; the posterior margin of the 

 scutellum broadly truncate. Abdomen, a broad oblong-ovate 



